Helmet Size Chart

How to measure your head to get the perfect bicycle helmet fit:

Finding the perfect fit for your Melon bike or skate helmet is easy.  First, find your head circumference. Then, use the size charts below to find the find the right size Melon Helmet.

To find your head circumference, wrap a flexible measuring tape around your head, about one inch above your eyebrows. If you don't have a measuring tape, wrap a piece of string around your head, one inch above your ears, then measure the string with a yardstick or a ruler.

How to measure your head to fit a helmet

All Size Chart

HEAD SIZE (in.) HEAD SIZE (cm) EU HELMET SIZE US HELMET SIZE
18 1/8 - 20 1/2 46 - 52 XXS-S Small
20 1/2 - 22 3/4 52 - 57 M-L Medium
22 3/4 - 25 58 - 63 XL-XXL Large

Kid's Size Chart

HEAD SIZE (in.) HEAD SIZE (cm) EU HELMET SIZE Age
18 1/8 - 20 1/2 46 - 52 XXS-S 3-8
20 1/2 - 22 3/4 52 - 57 M-L 8+